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International broadcasting, in a limited extent, began during World War I, when German and British stations broadcast press communiqués using Morse code. With the severing of Germany's undersea cables, the wireless telegraph station in Nauen was the country's sole means of long-distance communication.
AM broadcasting is radio broadcasting using amplitude modulation (AM) transmissions. It was the first method developed for making audio radio transmissions, and is still used worldwide, primarily for medium wave transmissions, but also on the longwave and shortwave radio bands.
Christian radio refers to Christian media radio formats that focus on Christian religious broadcasting or various forms of Christian music. Many such formats and programs include contemporary Christian music, gospel music, sermons, radio dramas, as well as news and talk shows covering popular culture, economics, and political topics from a Christian perspective.,
Radio broadcasting is the broadcasting of audio (sound), sometimes with related metadata, by radio waves to radio receivers belonging to a public audience. In terrestrial radio broadcasting the radio waves are broadcast by a land-based radio station, while in satellite radio the radio waves are broadcast by a satellite in Earth orbit. To receive the content the listener must have a broadcast radio receiver (radio). Stations are often affiliated with a radio network that provides content in a common radio format, either in broadcast syndication or simulcast, or both. Radio stations broadcast with several different types of modulation: AM radio stations transmit in AM, FM radio stations transmit in FM, which are older analog audio standards, while newer digital radio stations transmit in several digital audio standards: DAB, HD radio, DRM. Television broadcasting is a separate service that also uses radio frequencies to broadcast television (video) signals.
Pirate radio or a pirate radio station is a radio station that broadcasts without a valid license.
Radio Televisión Martí is an American state-run radio and television international broadcaster based in Miami, Florida, financed by the federal government of the United States through the U.S. Agency for Global Media. It transmits news in Spanish to Cuba and its broadcasts can also be heard and viewed worldwide through their website and on shortwave radio frequencies.
Offshore radio is radio broadcasting from ships or fixed maritime structures. Offshore broadcasters are usually unlicensed but transmissions are legal in international waters. This is in contrast to unlicensed broadcasting on land or within a nation's territorial waters, which is usually unlawful.
It is generally recognized that the first radio transmission was made from a temporary station set up by Guglielmo Marconi in 1895 on the Isle of Wight. This followed on from pioneering work in the field by a number of people including Alessandro Volta, André-Marie Ampère, Georg Ohm and James Clerk Maxwell.
The Marine, &c., Broadcasting (Offences) Act 1967, shortened to Marine Broadcasting Offences Act or "Marine offences Act", became law in the United Kingdom at midnight on Monday 14 August 1967. It was subsequently amended by the Wireless Telegraphy Act 2006 and the Broadcasting Act 1990. Its purpose was to extend the powers of the Wireless Telegraphy Act 1949, beyond the territorial land area and territorial waters of the UK to cover airspace and external bodies of water.
Pirate radio stations have operated in various countries of Asia, often putting over political or nationalist points of view. Offshore stations have attempted to reach China or overseas Chinese residents. Citizens' Radio is an unlicensed Hong Kong pro-democracy station. In Taiwan, what are known as "underground radio" stations have broadcast both pro- and anti-government opinions. Large numbers of unlicensed stations have functioned in the Philippines, of which 107.9 U-Radio (2006–2013) is among the best known. Finally, Radio First Termer was briefly operated by and for U.S. troops in Vietnam in 1971.
Pirate radio exists in most countries in Europe.
The strict definition of a pirate radio station is a station that operates from sovereign territory without a broadcasting license, or just beyond the territorial waters of a sovereign nation from on board a ship or other marine structure with the intention of broadcasting to that nation without obtaining a broadcasting license from that nation.
Pirate radio in the United Kingdom has been a popular and enduring radio medium since the 1960s, despite expansions in licensed broadcasting, and the advent of both digital radio and internet radio. Although it peaked throughout the 1960s and again during the 1980s/1990s, it remains in existence today. Having moved from transmitting from ships in the sea to tower blocks across UK towns and cities, in 2009 the UK broadcasting regulator Ofcom estimated more than 150 pirate radio stations were still operating.
Shortwave broadcasting in the United States allows private ownership of commercial and non-commercial shortwave stations that are not relays of existing AM/MW or FM radio stations, as are common in Africa, Europe, Asia, Oceania except Australia and Latin America. In addition to private broadcasters, the United States also has government broadcasters and relay stations for international public broadcasters. Most privately owned shortwave stations have been religious broadcasters, either wholly owned and programmed by Roman Catholic and evangelical Protestant charities or offering brokered programming consisting primarily of religious broadcasters. To better reach other continents of the world, several stations are located in far-flung US territories. Shortwave stations in the USA are not permitted to operate exclusively for a domestic audience; they are subject to antenna and power requirements to reach an international audience.
A broadcast license is a type of spectrum license granting the licensee permission to use a portion of the radio frequency spectrum in a given geographical area for broadcasting purposes. The licenses generally include restrictions, which vary from band to band.
Radio enjoys a huge following in the United Kingdom. There are around 600 licensed radio stations in the country. For a more comprehensive list see List of radio stations in the United Kingdom.
A pirate television station is a broadcast television station that operates without a broadcast license. Like its counterpart pirate radio, the term pirate TV lacks a specific universal interpretation. It implies a form of broadcasting that is unwelcome by the licensing authorities within the territory where its signals are received, especially when the country of transmission is the same as the country of reception. When the area of transmission is not a country, or when it is a country and the transmissions are not illegal, those same broadcast signals may be deemed illegal in the country of reception. Pirate television stations may also be known as "bootleg TV", or confused with licensed low-power broadcasting (LPTV) or amateur television (ATV) services.
Radio Caroline is a British radio station founded in 1964 by Ronan O'Rahilly and Alan Crawford initially to circumvent the record companies' control of popular music broadcasting in the United Kingdom and the BBC's radio broadcasting monopoly. Unlicensed by any government for most of its early life, it was a pirate radio station that never became illegal as such due to operating outside any national jurisdiction, although after the Marine Offences Act (1967) it became illegal for a British subject to associate with it.
Radio Luxembourg was a multilingual commercial broadcaster in Luxembourg. It is known in most non-English languages as RTL.
References
- ↑ Andrew Yoder (2002), "Political Pirates" , Pirate radio stations, McGraw-Hill Professional, p. 228, ISBN 978-0-07-137563-4